Guest Stars Terry Walsh as Guard Captain Ysanne Churchman voices Alpha Centauri Donald Gee as Eckersley Rex Robinson as Gebek Stuart Fell as Body of Alpha Centauri Nina Thomas as Thalira Frank Gatliff as Ortron Ralph Watson as Ettis Roy Evans as Miner Graeme Eton as Preba Sonny Caldinez as Sskel Alan Bennion as Azaxyr